strchrnul.c revision 1.1.2.2
1 1.1.2.2 pgoyette /* $NetBSD: strchrnul.c,v 1.1.2.2 2016/11/04 14:42:22 pgoyette Exp $ */ 2 1.1.2.2 pgoyette 3 1.1.2.2 pgoyette /*- 4 1.1.2.2 pgoyette * Copyright (c) 1990, 1993 5 1.1.2.2 pgoyette * The Regents of the University of California. All rights reserved. 6 1.1.2.2 pgoyette * 7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.1.2.2 pgoyette * are met: 10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.1.2.2 pgoyette * 3. Neither the name of the University nor the names of its contributors 16 1.1.2.2 pgoyette * may be used to endorse or promote products derived from this software 17 1.1.2.2 pgoyette * without specific prior written permission. 18 1.1.2.2 pgoyette * 19 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.1.2.2 pgoyette * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.1.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.1.2.2 pgoyette * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.1.2.2 pgoyette * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.1.2.2 pgoyette * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.1.2.2 pgoyette * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.1.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.1.2.2 pgoyette * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1.2.2 pgoyette * SUCH DAMAGE. 30 1.1.2.2 pgoyette */ 31 1.1.2.2 pgoyette 32 1.1.2.2 pgoyette #include <sys/cdefs.h> 33 1.1.2.2 pgoyette #if defined(LIBC_SCCS) && !defined(lint) 34 1.1.2.2 pgoyette #if 0 35 1.1.2.2 pgoyette static char sccsid[] = "@(#)index.c 8.1 (Berkeley) 6/4/93"; 36 1.1.2.2 pgoyette #else 37 1.1.2.2 pgoyette __RCSID("$NetBSD: strchrnul.c,v 1.1.2.2 2016/11/04 14:42:22 pgoyette Exp $"); 38 1.1.2.2 pgoyette #endif 39 1.1.2.2 pgoyette #endif /* LIBC_SCCS and not lint */ 40 1.1.2.2 pgoyette 41 1.1.2.2 pgoyette #if !defined(_KERNEL) && !defined(_STANDALONE) 42 1.1.2.2 pgoyette #include "namespace.h" 43 1.1.2.2 pgoyette #include <assert.h> 44 1.1.2.2 pgoyette #include <string.h> 45 1.1.2.2 pgoyette #else 46 1.1.2.2 pgoyette #include <lib/libkern/libkern.h> 47 1.1.2.2 pgoyette #endif 48 1.1.2.2 pgoyette 49 1.1.2.2 pgoyette char * 50 1.1.2.2 pgoyette strchrnul(const char *p, int ch) 51 1.1.2.2 pgoyette { 52 1.1.2.2 pgoyette const char cmp = ch; 53 1.1.2.2 pgoyette _DIAGASSERT(p != NULL); 54 1.1.2.2 pgoyette 55 1.1.2.2 pgoyette for (;; ++p) { 56 1.1.2.2 pgoyette if (*p == cmp || !*p) { 57 1.1.2.2 pgoyette /* LINTED const cast-away */ 58 1.1.2.2 pgoyette return __UNCONST(p); 59 1.1.2.2 pgoyette } 60 1.1.2.2 pgoyette } 61 1.1.2.2 pgoyette /* NOTREACHED */ 62 1.1.2.2 pgoyette } 63
Indexes created Wed Sep 24 05:09:52 GMT 2025